Other Current Assets - Schedule of Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Income tax receivable	$ 5,970	$ 3,614
Prepaid vendor payments	5,338	3,633
Prepaid software maintenance	4,310	2,804
Prepaid insurance	1,306	2,479
Prepaid taxes	997	850
Prepaid rent	661	327
Prepaid other	2,739	731
Other	1,961	4,011
Other current assets	$ 23,282	$ 18,449